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Genetics Quiz 2

 

Genetics  
Test 1   Test 1a*
Test 2   Test 3
Quiz 1   Quiz 2
Quiz 3   Test 4

*including answer

 

 

1.         Briefly describe the principle behind the way by which the semi-conservative replicating nature of DNA was supported.

 

2.         Complete the table:

 

STRUCTURE

FUNCTION

DNA ligase

 

 

 

 

primase

 

 

 

 

helicase

 

 

 

 

gyrase

 

 

 

 

 

3.         What are the names of the processes for the following:

            a.         DNA is read and a "copy" of mRNA is made.

            b.         RNA is read and a polymer of amino acids is created.

 

4.          Here is a sequence of DNA bases.  Find the corresponding mRNA fragment and the amino acid sequence of the peptide that will be coded for by the following fragment.

 

                        5'-TACTAGCACCCTATCGCG-3'

 

5.         Name three chemical mutagens.

 

6.         Name two other types of NON-chemical mutagens.